And now to the breathtaking developments in Ukraine. The president vanished and citizens raided his compound, a private zoo, a hot tub and a personal golf course. The question is what comes next and what does it mean for America? Hamish McDonald is in kiev. Good morning. Reporter: Dan, effectively the president has gone missing. No one knows where he is. He was captured trying to leave the country on an airplane, calling this a coup. He is being replaced. The speaker of the parliament will be in that position now. It doesn't matter where you go, it's obvious that the regime has changed. The opulence has shocked so many. A day after the abandoned presidential retreat, Chand leers, luxury cars, even a zoo. I can't believe that such a place exists in Ukraine. Protesters took full control of the capital while the parliament impeached the president. It was calm and orderly. Citizen militias prevented chaos. Ukraine's former prime minister was released from jail where she had been held for two and a half years. It is incredible to think that yulia was in prison just hours ago. She's being welcomed back to the capital by an adoring crowd. She is no saint, but they hear her call to keep pushing for reforms. You have removed this cancer from this country. And they will hold fresh elections in may this year. We have seen what happened last year. Reporter: Having fled the capital, president yanukovych refused to accept the dismissal, comparing it to the nazis taking power. Statues of lenin stand, as show of Russia's influence, but they are tumbling. And there were violent clashes. They are celebrating now, but there are still big dangerouses ahead. Well, Dan and bianna, it's peaceful in the square this morning. The orthodox priests are leading the prayers and the hymns. There's a war of words between the United States and Russia. John Kerry said they support what is happening here, Russia is very angry. There is a lot at stake here. Thank you. And for more, let's bring in from Washington, ABC chief global affairs correspondent Martha Raddatz. Good morning to you. As Americans sit at home on this Sunday morning and drink their coffee, the question is, as we watch these events unfold, what does it mean for us and our security? It really does mean a lot, Dan. You look at that country and where it's located, and as hamish said, the divide. Come going towards the west, some towards Russia. And that creates enormous tension between the U.S. And Russia. Things were getting a little better between the U.S. And Russia, but I think you'll take a big step back despite the words you're hearing from the white house and secretary Kerry. And Martha, the Russian president had a lot riding on the olympics, but this could be his biggest challenge as president. This will be his biggest challenge going forward. And he will focus on this like a laser. Of course, he wanted the olympics to take the spotlight. But in Ukraine, he talked to president Obama, and he is going to focus on it very much in the coming days. He left sochi to go back to Moscow and deal with this. And Martha will have the latest and the powerhouse roundtable on "This week." A lot of other stories

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President Obama 'Condemns' Violence in Ukraine

White House has threatened sanctions against Ukraine if their military doesn't step in.